Magnesium metal does not burn in the vessel containing_______________?

Related Mcqs:

1. When CO2 is made to react with ethy1 magnesium iodide in dry ether followed by acid hydrolysis yields______________?

   A. Carboxylic acid
   B. Ethanoic acid
   C. Propanoic acid
   D. Butanoic acid

2. Which one of the following alcohols will be formed when ethyl magnesium bromide reacts with acetone ?

   A. primary alcohol
   B. secondary alcohol
   C. tertiary alcohol
   D. dihydric alcohol

3. When CO2 is made to react with ethyl magnesium iodide followed by acid hydrolysis the product formed is _________________?

   A. propane
   B. propanoic acid
   C. propanal
   D. propanol

4. Steam causes more sever burn than the boiling water because it possesses _________________?

   A. Latent heat of fusion
   B. Latent heat of vaporization
   C. Latent heat of sublimation
   D. All of the above

5. In a closed vessel, a gas is heated from 300K to 600 K. The kinetic energy becomes__________?

   A. Double
   B. Same
   C. Half
   D. Four times

   Submitted by: Muhammad Ali Kunbhar

6. Which one of the following is not an alkali metal ?

   A. Francium
   B. Caesium
   C. Rubidium
   D. Radium

7. First ionization potential of alkaline earth metal is greater than alkali metals because___________________?

   A. They are more reactive
   B. They have greater atomic radii
   C. They have smaller atomic sizes
   D. All

8. The specie which donates electrons to central metal atom in coordination sphere is called____________________?

   A. anion
   B. cation
   C. Ligand is positively charged
   D. acid

9. Because of its ability to combine with both oxygen and nitrogen aluminium metal is used_____________?

   A. As nitrometer
   B. To remove air bubbles from molten metal
   C. To produce alloy
   D. As insulator

10. The metal which is used in thermite process because of its activity is____________________?

    A. iron
    B. copper
    C. aluminium
    D. zinc